Econoline E350 1 Ton V8-5.4L CNG VIN M (1999)
Turn Signal Switch: Flow of Diagnosis
1. Verify the customer concern by operating the multi-function switch or ignition switch.
2. Visually inspect for the obvious signs of mechanical and electrical damage.
Visual Inspection Chart
3. If the fault is not visually evident, determine the symptom and proceed to Symptom Chart.See: Sensors and Switches - Powertrain
Management/Sensors and Switches - Ignition System/Ignition Switch/Testing and Inspection/Symptom Related Diagnostic Procedures
